Cut-off-tool holder



G. A. ODDSEN CUT-OFF TOOL HOLDER Filed July 25. 1922 5 Sheets-Sheet E fI] UNIL/8 waTNEssas gaa/vento@ fog@ *21 11 38 Il W# um www @www lm u Y':14 e (gx SAS y JV. 4 @@Jw l I ,35% WM@ Jamil 1, E924 Naam@ G A DSENCUT-OFF `TOOL HHHH ER Filed July 25. 1922 wir@ V I@ l @A Odoien gwvewtozyg 1, m24 @www G. A. ODDSEN GUT-OFF TOOL HOLDER Filed July 25, 1922 5Sheets-Sheet 3 6 Tgo@ 7 ('33 31X /Am o@ gmg@ E 33 l 17 G AOdsen l g1/oemJ/M #wb SM l v @www wrTNEsfj/Es Patented dan. il, 1924i.

GUSTAV ADOLF ODDSEN, 0F BROKLYN, NEVI YORK. y Y

.CUT-OFF-TOOL HOLDER.

Applicationled July 25, 1922.

To aJZZ w hom t may concern Be it known that I, (-lUsTAv A. ODnsnN, asubject of the King of Norway, residing at Brooklyn, in the countyV ofKings and State of N ew York, have invented new and useful Improvementsin Cut-Olf-Tool Holders, of which the following is a specification. yThe object of my said invention is the provision of a cut-olf toolholder characi tei-ized by capacity to prevent chattering and breakageof cut off tools while assuring the expeditious production ofsubstantially perfect work.

To the attainment of the foregoing, the invention consists in theimprovement as hereinafter described and definitely claimed.

In the accompanying drawings, forming part of this speciicationzf Figure1 is a plan View illustrating my improvement in operation.

Figure 2 is a vertical section taken inthe plane indicated by the line2-2 of Figure 1.

Figure 3 is an enlarged detail side elevation of the cut-olf toolholder.

Figure 4 is a similar view of the opposite side thereof.

Figure 5 is a llongitudinal Vvertical central section taken through thetool holder.

Figures 6 and 7 are transverse sections taken in the planes indicated bythe lines 6-6`and 7 7, respectively, of Figure 5.

Figure 8 is -an enlarged front end elevation of the tool holder.

Figure 9 is a rear end elevation thereof.

Figure 10 is a rear end elevation of the adjustable tool carrier. Y

Figure 11 is an enlarged transverse section taken in the plane indicatedby the line ll-ll of Figure 5. l

Figure 12 is an enlarged detail side elevation 'of the plate onthe crossslide.

p Similar numerals of reference designate corresponding parts in all ofthe views of the drawings. g

In association with my novel cut-oli1 tool holder I employ a lathe head1 and a chuck 2, and in the said-chuck I illustrate a piece of stock 3that is to be cut off. I also associate with my improvement a crossslide 4, appropriate means 5 for the adjust-ment of said cross slide, acompound 6, appropriate means 7 to adjust the said compound, and a plate8, the said plate being recessed at 9 to receive and brace the piece ofst'oclr 3 and tend to prevent upward and downward deflection thereof,and being carried by the Serial No. 577,487.

cross slide 4 to which it is liXe'dly connected as indicated Vby 10.

vMy novel cut-off tool holder includes among other elements a holderbody 11, and the said body 11 is preferably connected with the compound6 in the manner illustratedi. e., through the medium of a cross bar 12disposed above the body 11, and bolts 13 connected to the said cross bar12 and having T -heads 13 disposed in a correspondingly shaped crosscross slot 111 in the compound, Figure 2. In one side of the body 11 isa recess or opening 15 which communi- Cates with the interior of thesaid body, and in the bottom of the body is a longitudinal slot 16. Atthe rear end of the body 1l a head 17 is connected thereto through themedium of screws 18, and the vsaid head 17 is provided with alongitudinal central threaded aperture 19, the said aperture 19 beingfor the reception and engagement of the screw 2O on the rear end ofwhich isan appropriate handle 21. The interior of the body 11 is ofcircular form in cross section, Figures 6, 7 8 and l1, and swivelled onthe forward portion of the screw 2O is a disk 22 which is held on thescrew by a nut 23 and is connected by screws 24 with the rear yendrof aslidable tool carrier 25. The said t'ool carrier 25 is ofcircular formin crosssection and is longitudinally kerfed as indicated by 26 toreceive the cutting olf tool which is designated by 27. The said toolcarrier 25 is equipped at 28 with a set screw designed to secure thetool 27 in the kerf 26, and manifestly when the said screw 28 iscoincident with the opening l5 as appears in Figure 7 Vthe screw may betaken or loosened through the medium of an ordinary screw driver. Itwill also be noted that the carrier 25 is provided with a screw oranyother appropriateprojection 29 which is movable in the slot 16 and isadapted to prevent turning of the carrier about its axis when the toolis removed from the carrier. It will also be noticed by comparison ofFigures 5 and 6 that the body 11 is provided in its forward end with adisk 31, secured by three screws 32 and herfed as indicated by to guideand brace the tool 27 incident to the translation thereof. Carried bythe forward portion of the body 11 at one side of the said body andalined with the plate 8 is a plate 38, recessed at 3a and adapted toserve in conjunction with the plate 8 in bracing the piece of stock andin tending to prevent lateral deflection of the piece of stock incidentto the cutting off operation.

In the practical use of my improvement the cross slide i is retracted toposition the plate 8 against one side of the piece of stock, and thecompound is moved inwardly to set the plate 88 against the opposite sideof theV piece of stock. rlhen as the piece of stock is rotated aboutits'axis and the cutting ed operation'is started, the screvv 2O ismanipulated tov gradually feed the carrier 25 and the tool 27 .forwardlyin the holder. ln this connection it Will be observed that the stockrotates in the upper groove or recess of the plate 38, and thexcuttingoff tool protrudes from the holder `When the screw 2O is rotated inproper direction. From this it follows that the stock cannot spring overthe tool, and in consequence a fast feed can be made use of andproduction expedited.

The plate or stop piece 8 can be adjusted forv any size of Work byadjusting the cross slide L inwardly and outwardly, and reverselyadjusting the compound 6.

The cross slide i doesnot move While the cutting off operation isproceeding. This obviates the necessity of moving a steadyV restforevery few pieces that are cut, and for much Work there is nonecessity of employing a steady rest.

l have entered into a detailed description of the construction andrelative arrangement of the parts embraced in the present and preferredembodiment of my invention inA order to impart a full, clear and exactunderstanding` of the said embodiment. l do not desire, however, to beunderstood as confining myself to the specific construction f andrelative arrangement of parts inasmuch as in the future practice of theinvention various changes and modifications may be made such as fallWithin the scope of the invention defined in my appended. claims.

Having described my invention, what l. claim and `desire to secure byLetters-Patent, isz- V1.ln means for the vpurpose described., thecombination of a cross slide, means to adjust the same, the crossslide,'means to adjust the coma compound adjustable onV pound, a cut-offtool holder mounted on the compound and comprising` a body, a `toolcarrier movable rectilinearly in the body, means to adjust the carrierin and relative to the body, Work-engaging means carried by vthe body,and Work-engaging means adapted to be arranged at the opposite side ofstock or vvorlv with reference to the first-- named Worl engaging means;the toolcar rier being l fed to receive a cutod tool and being providedwith a tool engaging set screvv adapted to be registered with an openingin the side of the bod 2. ln means for the purpose described,l

the combination of a cross slide, means to adjust the same, compoundadjustable :on the cross slide, means to adjust the compound, a cut-.offtool helder mounted on the compound and comprising a body, a toolcarrier movable rectilinearly inY the body, means to adjust the carrierin and relative 'to the body, a lerfed disk fixed in th'e forward endportion of the body and through which the cut-oft tool is fed,Work-engaging means carried b the bod and Worlnenffa ing means adaptedto be arranged at the oinosite side of stock or vvorlr with reference tothe first-.named means.

3. ln means for the purpose described, the

combination of a cross slide, means toad-V just the same, a compoundadjustable on the cross slide, means to adjust the compound, a cutofftcol holder mounted on the compound and comprising a body, a toolcarrier movable rectilinearly in the body, means to adjust the carrierVin and relative to the body, Work-engaging means carried by the body,and Work-engaging be arranged at the oppositeV side of stock or wei-lrwith reference to the first-named Workengaging means; the said means foradjusting the tool carrier in the holder body being in the form of alongitudinal screw bearing in the rear portion of the body and connectedto the carrier and` equipped in rear of the body with a handle. Y

ln testimony whereof, l affix my signa ture.

GUSTAN ADOLF GDDSEN.

Work-engaging means adapted to

